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Graphics Interchange Format  |  1996-06-30  |  1MB  |  2208x2690
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OCR: STEP Plot the lengths of the parasitic ements obta ined from Table 1 for 0.80 long Yagi un the corres ponding curve fiqure For clarity these curves are repr roduced figure 20 Establish po ints and determine the parasitic element lengths for d/ 0 0085 Thus 428 0 424 0. 482 STEP For our design where the ement di ame ter to wave length ratio 0042 plot and estab lish this po int un the direc tor curve pue ind cate by check mark This the uncompensated director length 442 STEP For the same Y/P rat io, determine the uncompensated length of the reflector 0.485 STEP With pair of dividers measure the distance along the curve be tween the initial po ints determi ined in Step Trans pose this Iis tance from the po int establi shed ir Step downward along the curve pue determi ine the uncom pensated leng ...